Home / 36,906.40-55,368.39-11,946.45

Finding the Fourth Proportional to 36,906.40, 55,368.39 and 11,946.45

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Solution

The fourth proportional to 36,906.40, 55,368.39 and 11,946.45 is: 17,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.40 : 55,368.39 = 11,946.45 : x
  2. Step 2: Convert to fraction form
    36,906.40/55,368.39 = 11,946.45/x
  3. Step 3: Cross multiply
    36,906.40x = 55,368.39 × 11,946.45
  4. Step 4: Simplify right side
    36,906.40x = 661,455,702.72
  5. Step 5: Solve for x
    x = 661,455,702.72/36,906.40
  6. Step 6: Final answer
    x = 17,922.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.